2511911

Information

• Patent Grant
• 2511911

• References
• Source

• Patent Number

  2,511,911

• Date Filed

  Not available

• Date Issued

  Tuesday, June 20, 1950
  74 years ago

• CPC

  • D21H21/34 - Ignifugeants
  • C07C303/24 - of esters of sulfuric acids
  • D21H5/0002 - Flame-resistant papers; (complex) compositions rendering paper fire-resistant
  • D21H17/58 - obtained by reactions forming in the main chain of the macromolecule a linkage containing sulfur
  • Y10S428/921 - Fire or flameproofing

• US Classifications

  • 558 - Organic compounds
  • 252 - Compositions
  • 428 - Stock material or miscellaneous articles